// Copyright (c) 2021 Terminus, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//      http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package prehandle

import (
	"context"
	"net/http"
	"time"

	"github.com/erda-project/erda/internal/core/openapi/legacy/conf"
)

func ReplaceOldCookie(ctx context.Context, rw http.ResponseWriter, req *http.Request) {
	if conf.OldCookieDomain() == "" {
		return
	}
	cs := req.Cookies()
	count := 0
	for _, c := range cs {
		if c.Name == conf.SessionCookieName() {
			count++
		}
	}
	if count > 1 {
		http.SetCookie(rw, &http.Cookie{
			Name:     conf.SessionCookieName(),
			Value:    "",
			Path:     "/",
			Expires:  time.Unix(0, 0),
			MaxAge:   -1,
			Domain:   conf.OldCookieDomain(),
			HttpOnly: true,
		})
	}
}
